Merge branch 'master' into release

* master:
  Fix an install with the installer due to the cache created by composer
  Removed unused variable
  Update README.md

README.md

@@ -65,7 +65,7 @@ The `master` branch of this repository is a development branch and **should not*
 2. Checkout the latest release
 
     ```shell
-    $ git checkout 0.0.19
+    $ git checkout 0.0.20
     ```
 
 3. Install dependencies
@@ -93,7 +93,7 @@ The `master` branch of this repository is a development branch and **should not*
 
     ```shell
     $ git fetch --all
-    $ git checkout 0.0.19
+    $ git checkout 0.0.20
      ```
 
 2. Update the dependencies

app/Console/Commands/InstallApp.php

@@ -63,6 +63,8 @@ public function handle()
             return;
         }
 
+        $this->clearCaches();
+
         // TODO: Add options so they can be passed in via the command line?
 
         $config = base_path('.env');

database/migrations/2015_10_06_083529_add_is_webhook.php

@@ -17,8 +17,8 @@ public function up()
             $table->boolean('is_webhook')->default(false);
         });
 
-        $affected = DB::table('deployments')->whereRaw('user_id IS NULL')
-                                            ->update(['is_webhook' => true]);
+        DB::table('deployments')->whereRaw('user_id IS NULL')
+                                ->update(['is_webhook' => true]);
     }
 
     /**